Definitions
_______ is when you see one response appearing in a set multiple times.
what is Frequency
The average viewer watches 145 hours of Tv per month.
What is Inferential Statistics
Which branch of statistics helps researchers to summarize data so they can be easily comprehended?
Descriptive
What is something people take to give feedback on their personal experience?
what is a survey
The process of using sample statistics to draw conclusions about true population parameters is called.
What is Statistics inference
What is the stretch of reoccurring scores within a distribution?
what is variability
You randomly select a sample of 11th graders in your state and collect data on their SAT scores and other characteristics.
What is Inferential statistics
Help researchers test hypothesis
Inferential Statistics
What is a record of your opinion via vote (hint: it is often used on social media)?
what is a poll
Those methods involving the collection, presentation, and characterization of a set of data order to describe the various features of that set of data are called.
What is Descriptive statistics.
What is something you do to gain information on a subject by observing it?
experiment
A college involves the average math test score for incoming students. It says nothing about why the data is so or what trends we can see and follow.
What is Descriptive statistics
The methods used by an experimenter are crucial to the ______ validity of a study.
Internal and External
What is the relation between quantities?
What is a graph or what is a chart
a population in statistics mean a collection of all _____
what is the subject or object of interest
What is something that summarizes the data given to you from characteristics?
What is escriptive statistics
You've performed a survey to 40 respondents about their favorite car color. And now you have a spreadsheet with the results.
What is Descriptive statistics
A group of researchers want to know how much of their sample is comprised of freshman, sophomores, juniors, and seniors. What type of statistic can they use to gather this information?
Descriptive Statistics
What is something you do to gather information before doing an experiment?
What is research
The universe or totality of items or things under consideration is called population
What is population
Used to interpret data from sample characteristics in order to make predictions. (hint: helps test hypotheses)
inferential statistics
Is this an example of Descriptive statistics or Inferential statistics? Suppose a pet shop sells cats, dogs, birds, and fish. If 100 pets are sold, and 40 out of the 100 were dogs, then one description of the data on the pets sold would be that 40% were dogs.
What is Descriptive statistics
Positive relationship is an association when one variable_____ as the other variable____.
Increases; Increases
A very controlled experiment that allows you the researcher to control different situations/ conditions. And subjects are not picked at random.
quasi-experimental
A sample in statistics means a portion of the _____
What is the population of interest